<template>
  <div class="home">
    <!--1.  顶部区域布局---------- -->
    <div class="header">
      <div class="item">
        总销售额
        <div class='num'>{{ totalData.saleTotal | num }}</div>
        <div class="bottom">今日销售额：{{ totalData.sale | num }}</div>
      </div>
      <div class="item">总访问量
        <div class='num'>{{ totalData.viewsTotal | num }}</div>
        <div class="bottom">今日访问量：{{ totalData.views | num }}</div>
      </div>
      <div class="item">总收藏量
        <div class='num'>{{ totalData.collectTotal | num }}</div>
        <div class="bottom">今日销售额：{{ totalData.collect | num }}</div>
      </div>
      <div class="item">总支付量
        <div class='num'>{{ totalData.payTotal | num }}</div>
        <div class="bottom">今日支付量：{{ totalData.pay | num }}</div>
      </div>
    </div>

    <!--2. 访问数据统计 ----------------->
    <div class="content">
      <div class="time-info" id='box13'>
        <div class="title">月销售额</div>
        <div id="charts" style="width: 100%; height: 300px"></div>
      </div>
      <div class="area" id="box1">
        <div class="title">产品销售比例</div>
        <div id="pie" style="width: 100%; height: 300px"></div>
      </div>
    </div>


    <!-- 3.  -->
    <!-- 最新内容 -->
    <div class="home-footer">
      <el-card class="box-card">
        <div slot="header" class="clearfix">
          <span>今日订单</span>
        </div>
        <div class="text item">
          <el-row>
            <el-col :span="8">
              <div class="title">今日订单数</div>
              <div>{{ orderData.curOrderCount }}</div>
            </el-col>
            <el-col :span="8">
              <div class="title">汇总确认订单</div>
              <div>{{ orderData.curCollect }}</div>
            </el-col>
            <el-col :span="8">
              <div class="title">今日金额</div>
              <div>{{ orderData.curMoney }}</div>
            </el-col>
          </el-row>
        </div>
      </el-card>
      <el-card class="box-card">
        <div slot="header" class="clearfix">
          <span>本月订单</span>
        </div>
        <div class="text item">
          <el-row>
            <el-col :span="8">
              <div class="title">本月订单数</div>
              <div>{{ orderData.orderCount }}</div>
            </el-col>
            <el-col :span="8">
              <div class="title">汇总确认订单</div>
              <div>{{ orderData.collect }}</div>
            </el-col>
            <el-col :span="8">
              <div class="title">累计金额</div>
              <div>{{ orderData.money }}</div>
            </el-col>
          </el-row>
        </div>
      </el-card>
      <el-card class="box-card">
        <div slot="header" class="clearfix">
          <span>快捷入口</span>
        </div>
        <div class="text item">
          <el-button type="primary">产品管理</el-button>
          <el-button>消息管理</el-button>
          <el-button>内容管理</el-button>
        </div>
      </el-card>
    </div>

  </div>
</template>

<script>
import * as echarts from 'echarts'

export default {
  data() {
    return {
      totalData: {},
      orderData: {}
    }
  },
  created() {
    this.totalInfo()
    this.orderinfo()
    this.format()
    // console.log('created', document.getElementById('charts'))
  },
  mounted() {
    // console.log('mounted', document.getElementById('charts'))
    // this.line()
    // this.pie()
  },
  methods: {
    async totalInfo() {
      let res = await this.$api.totalInfo()
      this.totalData = res.data.data.list
    },
    async orderinfo() {
      let res = await this.$api.orderinfo()
      this.orderData = res.data.list
    },
    async format() {
      let res = await this.$api.format()
      let arr = res.data.result.data.sale_money
      let arrx = [], arry1 = [], arry2 = [], pieData = []
      arr.forEach(ele => {
        arrx.push(ele.name)
        arry1.push(ele.total_amount)
        arry2.push(ele.num)
        // 饼图对象数据
        let obj = {
          name: ele.name,
          value: ele.total_amount
        }
        pieData.push(obj)
      })
      this.line(arrx, arry1, arry2)
      this.pie(pieData)
    },
    line(data, money, total) {
      var myChart = echarts.init(document.getElementById('charts'));
// 绘制图表
      myChart.setOption({
        tooltip: {
          trigger: 'axis',
        },
        toolbox: {
          show: true,
          feature: {
            saveAsImage: {}
          }
        },
        legend: {},
        xAxis: {
          data
        },
        yAxis: {},
        series: [
          {
            name: '销售额',
            type: 'line',
            data: money,
            smooth: true,
          },
          {
            name: '销量',
            type: 'bar',
            data: total,
          },

        ]
      })
      ;
    },
    pie(pieData) {
      var chartDom = document.getElementById('pie');
      var myChart = echarts.init(chartDom);
      var option;

      option = {
        tooltip: {
          trigger: 'item',
          formatter: '{a}</br>{d}%'
        },
        toolbox: {
          show: true,
          feature: {
            saveAsImage: {}
          }
        },
        legend: {
          orient: 'vertical',
          left: 'left'
        },
        series: [
          {
            name: '产品销售额',
            type: 'pie',
            radius: '50%',
            data: pieData,
            emphasis: {
              itemStyle: {
                shadowBlur: 10,
                shadowOffsetX: 0,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
              }
            }
          }
        ]
      };

      option && myChart.setOption(option);
    }
  },
  // 过滤器，处理数据格式
  filters: {
    num(value) { //23456 -- 23,456
      if (!value) return
      return value.toLocaleString();
    }
  }
}
</script>

<style lang="less" scoped>
.home {
  margin: 10px;
}

.header {
  display: flex;
  padding-right: 30px;

  .item {
    flex: 1;
    height: 100px;
    padding: 10px;
    background: #fff;
    border-radius: 10px;
    margin-left: 20px;
    margin-right: 20px;
    font-weight: bold;
    color: #fff;
    // text-align: center;
    position: relative;

    .num {
      font-size: 22px;
      margin: 10px;
      color: #fff;
    }

    .bottom {
      position: absolute;
      border-top: 1px solid rgb(246, 245, 245);
      padding: 10px 20px;
      bottom: 0;
      right: 0;
      left: 0;
      color: #fff;
      font-weight: normal;
    }
  }

  .item:nth-child(1) {
    background-image: linear-gradient(#df887d, #88554d);
  }

  .item:nth-child(2) {
    background-image: linear-gradient(#409eff, #2e556e);
  }

  .item:nth-child(3) {
    background-image: linear-gradient(#b54fa8, #713c7a);
  }

  .item:nth-child(4) {
    background-image: linear-gradient(#1cd2f1, #39717a);
  }
}

// 图表

.content {
  margin: 20px;
  display: flex;
  height: 320px;

  .time-info {
    flex: 2;
    background: #fff;
    margin-right: 20px;
    padding: 10px;
  }

  .area {
    flex: 1;
    background: #fff;
    padding: 10px;
  }
}

//内容

.home-footer {
  display: flex;
  padding-left: 20px;
  margin-bottom: 20px;

  .box-card {
    flex: 1;
    margin-right: 30px;

    span {
      font-weight: 600;
    }
  }

  .item {
    text-align: center;
    font-size: 24px;
    color: #333;

    .el-col {
      border-right: 1px solid #eee;

    }

    .el-col:last-child {
      border-right: none;
    }

    .title {
      margin-bottom: 10px;
      font-size: 14px;
    }
  }
}

</style>
